The distances are not from the permiter of the mother but from the center of the mother location. (The radiuses range from 1 to 120 CM).
| Test | Wilcoxon.p.value | Abs.Difference | Statistic | SD | Effect.Size |
|---|---|---|---|---|---|
| # Of Excursions Per Minute | 0.004329 | 0.2707935 | 35 | 0.0884232 | 3.341536 |
Using permutation testing to compare the mean curves of excursions ~ distance and % of time near mother ~ distance.
Testing the hypothesis that the mean curve of the TD infants is higher than that of the NTD infants
| Tests | Distance.between.mean.curves | Permutation.P.value | Adjusted.BH |
|---|---|---|---|
| % Near mother ~ radius | 0.2120728 | 0.028971 | 0.028971 |
| # Excursions per minute ~ Radius | 0.2382237 | 0.004995 | 0.009990 |
Mors plot of the frame in which the infant is touching the mother.
Effect size is given by \(\frac{|\bar{x} - \bar{y}|}{SD}\). All tests conducted are Wilcoxon sum rank test, which do not require assumptions regarding the underlying distribution of observations.
| Tests | Un.Adjusted.P.value | BH.P.value | Abs.Difference | Statistic | SD | Effect.Size |
|---|---|---|---|---|---|---|
| Excursions.100.CM.Per.Minute | 0.0086580 | 0.0303030 | 0.2197053 | 34 | 0.0890959 | 2.465942 |
| Touches.Duration | 0.0086580 | 0.0303030 | 2.2754988 | 34 | 1.2129880 | 1.875945 |
| Avg.Cover | 0.0151515 | 0.0353535 | 0.8606797 | 33 | 0.4438178 | 1.939264 |
| Time.Mother.Radius.100.CM | 0.0259740 | 0.0363636 | 1.6914196 | 32 | 1.1243237 | 1.504388 |
| Speed.Outside.Mother.Radius.100.CM | 0.0259740 | 0.0363636 | 3.1264952 | 32 | 1.8646619 | 1.676709 |
| Speed.Prog | 0.0411255 | 0.0479798 | 7.2895021 | 31 | 5.4162971 | 1.345846 |
| Touches.Num.Per.Min | 0.0649351 | 0.0649351 | 0.2690847 | 30 | 0.1972967 | 1.363858 |
| Tests | Un.Adjusted.P.value | BH.P.value | Abs.Difference | Statistic | SD | Effect.Size |
|---|---|---|---|---|---|---|
| Excursions.100.CM | 0.0017176 | 0.0120230 | 0.2197053 | 4.271136 | 0.0890959 | 2.465942 |
| Avg.Cover | 0.0082553 | 0.0248671 | 0.8606797 | 3.358903 | 0.4438178 | 1.939264 |
| Touches.Duration | 0.0106573 | 0.0248671 | 2.2754988 | 3.249232 | 1.2129880 | 1.875945 |
| Speed.Outside.Mother.Radius.100.CM | 0.0159727 | 0.0279522 | 3.1264952 | 2.904145 | 1.8646619 | 1.676709 |
| Time.Mother.Radius.100.CM | 0.0264450 | 0.0370230 | 1.6914196 | 2.605677 | 1.1243237 | 1.504388 |
| Touches.Num | 0.0417682 | 0.0448310 | 0.2690847 | 2.362272 | 0.1972967 | 1.363858 |
| Speed.Prog | 0.0448310 | 0.0448310 | 7.2895021 | 2.331074 | 5.4162971 | 1.345846 |
##
## Welch Two Sample t-test
##
## data: parameter.DF$Length[parameter.DF$IS.TD == TRUE] and parameter.DF$Length[parameter.DF$IS.TD == FALSE]
## t = 1.7148, df = 6.8407, p-value = 0.1311
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
## -1.761406 10.900517
## sample estimates:
## mean of x mean of y
## 29.25644 24.68689
## [1] 29.25644
## [1] 24.68689
## [1] 2.612613
## [1] 5.981572